from urllib import request
from lxml import etree

request_url="http://www.kanshu.com/files/article/html/189214/4456470.html"
response=request.urlopen(request_url)
page_source=response.read().decode('utf-8')
selector = etree.HTML(page_source)
list = selector.xpath('//div[@class="yd_text2"]')
for i in list:
    info=i.xpath('./text()')
    print(info)

